Passive: Ranking up Void Assault allows Kha'Zix to evolve one of his abilities.
Active: Kha'Zix stealths for 1 second, activating Unseen Threat and increasing his movement speed by 40%. Void Assault can be cast a second time within 10 seconds of the first cast.
Evolved Active Camouflage: Void Assault can be cast three times and Kha'Zix takes 50% reduced damage while in stealth.
Cost: 100 mana
Cooldown: 100 / 90 / 80 seconds